Auction of Brazilian Drug Maker Aché Stalls

The auction of Aché Laboratórios Farmacêuticos SA, which has drawn interest from some of the biggest names in the global health-care industry, has stalled because of a disagreement among the Brazilian drug company's family owners, according to people familiar with the matter.

Potential buyers including Novartis AG and Abbott Laboratories have been circling the company, attracted by its strong growth. An initial round of bids came in around the beginning of March, one of the people said. But in recent weeks, the sales...